⚓ Working on this equipment?
Ask the AI troubleshooter, log your hours on board and turn them into invoice-ready service reports — for this exact model.
Start free — 14 days →
No credit card required
🔧 11 verified suppliers & service companies for LESER GmbH in the Maritime Network
Find suppliers →
LESER GmbH
Critical Service
Safety valves with PTFE lining for corrosive media
Components & Design
Component data being added…
Technical Data
Set pressure
0.1 - 16 barg | 1.45 - 232 psig
Temperature
-85 - 200 °C | -121 - 392 °F
Connections DIN EN 1092
DN 25 to DN 100
Connections ASME B16.5
NPS 1 to NPS 4
Body material
Carbon steel/PTFE
pdf AQSIQ based on the approvals acc
to AD 2000-Merkblatt A2 cost-effective maintenance
pdf Materials
PFA
pdf all directions in a pressure vessel
This strongly
pdf nickel-based materials
Nickel-based alloys are used in LESER’s Type 526. The “LESER
pdf Flange thickness is smaller (max
2 mm), see “Multiple pressure rating”.
pdf Flange drilling as specified in standard
Flange thickness may be less than the flange outer diameter as specified.
pdf Body material is certified acc
to 3.1 (EN 10204) for the following materials
pdf DIN EN 10204-3.2
TÜV-Nord
pdf Body material
1.0619 + virgin PTFE-TF (WCB + PTFE-TF)
pdf Standard flange class
For other flange drillings, see page 31.
pdf PED / Approval No
072020111Z0008/0/09
pdf ASME Sec
VIII Approval No. M37123
pdf Approval No
M37134
pdf CRN Approval No
For current approval no. see www.leser.com
pdf AQSIQ Approval No
For current approval no. see www.leser.com
pdf EAC Approval No
For current approval no. see www.leser.com
pdf PED/DIN EN ISO 4126-1 Approval no
072020111Z0008/0/19
pdf PED/AD 2000-Merkblatt A2 Approval no
TÜV SV 496
pdf AQSIQ Approval no
For current approval no. see www.leser.com
pdf EAC Approval no
For current approval no. see www.leser.com
pdf dimensions
Please use the “Specification Sheet” on page 59
pdf Special material e.g
Hastelloy® –
pdf Water resistance as per ISO 719-HGB
1 Density (at 25 °C): 2,23 g/cm3
pdf Water resistance as per ISO 719-HGA
1 Elasticity module: 63 kN/mm2
pdf Acidity class as per ISO 1776
1 480
source url
https://www.leser.com/en/products/critical-service/
Related equipment 10
LESER GmbH 459 HDD系列 - 莱斯安全阀
same series
LESER GmbH 462 HDD系列 | 莱斯安全阀
same series
LESER GmbH 462系列 | 莱斯安全阀
same series
LESER GmbH API | LESER - The Safety Valve
same series
LESER GmbH APIType 526
same series
LESER GmbH APIType 526 CC
same series
LESER GmbH APIType 526 IC
same series
LESER GmbH Best Availability - Bursting disc
same series
LESER GmbH Best Availability - Change-over valves
same series
LESER GmbH Best Availability - Changement de soupape s et disque de ruptures | LESER
same series
🤖 Ask about this model
One free question — answered like a marine engineer. No account needed.
Suppliers & Spare Parts
Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.
📄 Request sourcing links & documents🛠 Manage this equipment in your fleet
Cases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.
Start free trial →🔎 Suppliers & service for this equipment
Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.
Maritime Network →Working on this unit?
Log hours, photos and findings into an invoice-ready service report — OceanSphere Marine, 14-day free trial.
Need a service partner for LESER GmbH?
114,000+ shipyards, suppliers and service companies in the Maritime Network directory.
Equipment Model #159167
· ✓ still in production
Need spare parts for this model?
We know 12+ companies supplying LESER GmbH & Co. KG CRITICALSERVICE. Tell us what you need — we obtain the quotations for you.
Actuation Valve & Control Ltd · United KingdomAlfa Laval Aalborg Oy · DenmarkJ A Moody LLC · United StatesShiptec AG · SwitzerlandTMS - Hamburg Technical Marine Ser · GermanyValve Center Limited · Vereinigtes Koenigreich
+6 more